/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.drools.workbench.services.verifier.plugin.client.builders;

import org.drools.workbench.models.datamodel.util.PortablePreconditions;
import org.drools.workbench.models.guided.dtable.shared.model.GuidedDecisionTable52;
import org.drools.workbench.services.verifier.api.client.configuration.AnalyzerConfiguration;
import org.drools.workbench.services.verifier.api.client.index.Index;
import org.drools.workbench.services.verifier.api.client.index.IndexImpl;
import org.drools.workbench.services.verifier.plugin.client.api.HeaderMetaData;

public class IndexBuilder {

    private final IndexImpl index;
    private final GuidedDecisionTable52 model;
    private final BuilderFactory builderFactory;

    public IndexBuilder( final GuidedDecisionTable52 model,
                         final HeaderMetaData headerMetaData,
                         final VerifierColumnUtilities utils,
                         final AnalyzerConfiguration configuration ) {
        this.index = new IndexImpl();


        this.model = PortablePreconditions.checkNotNull( "model",
                                                         model );

        this.builderFactory = new BuilderFactory( utils,
                                                  index,
                                                  model,
                                                  headerMetaData,
                                                  configuration );
    }

    public Index build() throws
                         BuildException {

        buildColumns();
        buildRules();

        return this.index;
    }

    private void buildColumns() {
        for ( int columnIndex = 0; columnIndex < model.getExpandedColumns()
                .size(); columnIndex++ ) {
            this.index.getColumns()
                    .add( builderFactory.getColumnBuilder()
                                  .with( columnIndex )
                                  .build() );
        }
    }

    private void buildRules() throws
                              BuildException {

        int size = model.getData()
                .size();

        for ( int index = 0; index < size; index++ ) {
            this.index.getRules()
                    .add( builderFactory.getRuleBuilder()
                                  .with( index )
                                  .build() );
        }
    }

}
